제출 #987538

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
987538	2024-05-23 01:30:47	cig32	Fruits (NOI22_fruits)	C++17	0 / 100	556 ms	1048576 KiB

Main

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#include "bits/stdc++.h"
#define int long long
using namespace std;
const int MAXN = 4e5 + 10;
void solve(int tc) {
  int n;
  cin >> n;
  int a[n+1], c[n+1];
  for(int i=1; i<=n; i++) cin >> a[i];
  for(int i=1; i<=n; i++) cin >> c[i];
  int dp[n+1][n+1];
  for(int i=0; i<=n; i++) {
    for(int j=0; j<=n; j++) {
      dp[i][j] = -1e18;
    }
  }
  bool chosen[n+1];
  for(int i=1; i<=n; i++) chosen[i] = 0;
  for(int i=1; i<=n; i++) if(a[i] > 0) chosen[a[i]] = 1;
  dp[0][0] = 0;
  int wow = 0;
  for(int i=1; i<=n; i++) {
    int mx = -1e18;
    for(int j=0; j<i; j++) mx = max(mx, dp[j][i-1]);
    for(int j=i; j<=n; j++) {
      if((a[i] == -1 && !chosen[j]) || a[i] == j) dp[j][i] = max(dp[j][i], c[j] + mx);
      if(a[i] > j) dp[j][i] = -1e18;
      else if(a[i] != j) dp[j][i] = max(dp[j][i], dp[j][i-1]);
      mx = max(mx, dp[j][i-1]);
    }
 
 
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